package com.yunhe.java.Day09;

import com.sun.org.apache.xalan.internal.utils.XMLSecurityPropertyManager;

import java.util.Properties;

/**
 * Created by Administrator on 2017/8/2 0002.
 */
public class system {
    public static void main(String[] args) {
        long a=System.currentTimeMillis();
        System.out.println(a);
        Properties p = System.getProperties();
        System.out.println(p.getProperty("QQ.exe"));
    }

}
